STS to SAN from $117 in economy

ASAlaska Airlines, Inc.

WNSouthwest Airlines

Round Trip•Economy

STS

Charles M. Schulz Sonoma County Airport

Santa Rosa, United States

SAN

San Diego International Airport

San Diego, United States

$197 USD

-41%$117 USD

Verified about 15 hours ago

September 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$117 1$117 2$117 3$117 4$172 5$157 6$172 7$117 8$117 9$117 10$117 11$172 12$157 13$172 14$117 15$117 16$117 17$117 18$172 19$157 20$172 21$117 22$117 23$117 24$117 25$172 26$157 27$172 28$117 29$117 30$117 1$117 2$172 3$157 4$172

Fair Availability

20% of dates checked are available within 10% of the lowest price

Tuesday, September 22nd, 2026

8 round-trip options

Returning

Sun, Sep 27, 2026•5 Day Trip

$172 USD

Google Flights

Returning

Mon, Sep 28, 2026•6 Day Trip

$117 USD

Google Flights

Returning

Tue, Sep 29, 2026•7 Day Trip

$117 USD

Google Flights

Returning

Wed, Sep 30, 2026•8 Day Trip

$117 USD

Google Flights

Returning

Sat, Oct 3, 2026•11 Day Trip

$157 USD

Google Flights

Returning

Sun, Oct 4, 2026•12 Day Trip

$172 USD

Google Flights

Returning

Mon, Oct 5, 2026•13 Day Trip

$117 USD

Google Flights

Returning

Tue, Oct 6, 2026•14 Day Trip

$117 USD

Google Flights

Santa Rosa (STS) to San Diego (SAN) flight deal in economy from $117

Charles M. Schulz Sonoma County Airport

San Diego International Airport

September 2026

Tuesday, September 22nd, 2026